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The clusters growth and evaporation rate constante calculation by using of molecular dynamics method for condensation behind the shock front

Insepov, Z.; Karatajev, E. M. (Matem. Mod., 1993)

Molecular dynamics model of calculation of the growth and evaporation rate constants of dusters is proposed. Calculations for small clusters are carried out. On the basis of the chemical mechanism the characteristic time ...
Molecular-dynamics simulation of thin-film growth by energetic cluster impact

Haberland, H.; Insepov, Z.; Moseler, M. (Physical Review B, 1995)

Langevin-molecular-dynamics simulations of thin-film growth by energetic cluster impact were carried out. The impact of a Mo 1043 cluster on a Mo(001) surface was studied for impact energies of 0.1, 1, and 10 eV/atom using ...
Proposal for a hardness measurement technique without indentor by gas-cluster-beam bombardment

Insepov, Z.; Manory, R.; Matsuo, J.; Yamada, I. (Physical Review B, 2000)

Large gas-cluster-ion bombardment has been shown to be a unique tool for generating a variety of bombarding effects over a broad range of acceleration energies. A hardness measurement technique is proposed in this paper ...
Craters on silicon surfaces created by gas cluster ion impacts

Allen, L. P.; Insepov, Z.; Fenner, D. B.; Santeufemio, C.; Brooks, W.; Jones, K. S.; Yamada, I. (Journal of applied physics, 2002)

Atomic force microscopy ~AFM! and high-resolution transmission electron microscope ~HRTEM! cross section imaging of individual gas cluster ion impact craters on Si~100! and Si~111! substrate surfaces is examined. The ...
New mechanism of cluster-field evaporation in rf breakdown

Insepov, Z.; Norem, J. H.; Hassanein, A. (Physical Review Special Topics-Accelerators and Beams, 2004)

Using a simple field evaporation model and molecular dynamics simulations of nanoscale copper tip evolution in a high electric field gradient typical for linacs, we have studied a new mechanism for rf-field evaporation. ...
Effects of surface damage on rf cavity operation

Hassanein, A.; Insepov, Z.; Norem, J.; Moretti, A.; Qian, Z.; Bross, A.; Seidman, D. N. (Physical Review Special Topics-Accelerators and Beams, 2006)

We describe a model of damage in rf cavities and show how this damage can limit cavity operation. We first present a review of mechanisms that may or may not affect the ultimate fields that can be obtained in rf cavities, ...
Requirements for advanced simulation of nuclear reactor and chemicalseparation plants

Palmiotti, G.; Cahalan, J.; Pfeiffer, P.; Sofu, T.; Taiwo, T.; Wei, T.; Willamson, M. (Argonne National Laboratory, 2006)

This report presents requirements for advanced simulation of nuclear reactor and chemical processing plants that are of interest to the Global Nuclear Energy Partnership (GNEP) initiative. Justification for advanced ...
Surface erosion and modification by highly charged ions

Insepov, Z.; Terasawa, M.; Takayama, K. (Physical Review A, 2008)

Analyses were conducted of various models and mechanisms of highly charged ion HCI and swift-heavy ion energy transfer into a solid target, such as hollow atom formation, charge screening, neutralization, shock wave ...
A model of rf breakdown arcs

Insepov, Z.; Bross, A.; Qian, Z.; Norem, J.; Huang, D.; Veitzer, S.; Torun, Y. (Fermilab, 2008)

This paper presents a rst iteration of a model that attempts to describe all aspects of breakdown in rf cavities and provides some estimates of the parameters and parameter ranges involved, as an aid to producing more ...
MECHANISTIC INSIGHT INTO THE ROLE OF POLY(ADP-RIBOSYL)ATION IN DNA TOPOLOGY MODULATION AND RESPONSE TO DNA DAMAGE

Matkarimov, Bakhyt T.; Zharkov, Dmitry O.; Saparbaev, Murat K. (Mutagenesis, 2010)

Genotoxic stress generates single- and double-strand DNA breaks either through direct damage by reactive oxygen species or as intermediates of DNA repair. Failure to detect and repair DNA strand breaks leads to deleterious ...
Modeling RF breakdown arcs

Insepov, Z.; Norem, J.; Proslier, T.; Huang, D.; Mahalingam, S.; Veitzer, S. (arXiv preprint arXiv:1003.1736, 2010)

We describe breakdown in 805 MHz rf accelerator cavities in terms of a number of self-consistent mechanisms. We divide the breakdown process into three stages: (1) we model surface failure using molecular dynamics of ...
A New Multiscale Approach to Nuclear Fuel Simulations: Atomistic Validation of Kinetic Method

Insepov, Z.; Rest, J.; Hofman, G. L.; Yacout, A.; Norman, G. E.; Starikov, S. A.; Stegailov, V. V. (Transactions of the American Nuclear Society, 2010)

A key issue for fuel behavior codes is their sensitivity to values of various materials properties, many of which have large uncertainties or have not been measured. Kinetic mesoscale models, such as those developed at ...
Modification on surface oxide layer structure and surface morphology of niobium by gas cluster ion beam treatments

Wu, A. T.; Swenson, D. R.; Insepov, Z. (Physical Review Special Topics-Accelerators and Beams, 2010)

Recently, it was demonstrated that significant reductions in field emission on Nb surfaces could be achieved by means of a new surface treatment technique called gas cluster ion beam (GCIB). Further study as shown in this ...
Modeling Vacuum Arcs

Insepov, Z.; Norem, J.; Proslier, T.; Huang, D.; Mahalingam, S.; Veitzer, S. (arXiv preprint arXiv:1006.3770, 2010)
Radiation-induced damage and evolution of defects in Mo

Starikov, S. V.; Insepov, Z.; Rest, J.; Kuksin, A. Y.; Norman, G. E.; Stegailov, V. V.; Yanilkin, A. V. (Physical Review B, 2011)

The formation of defects in bcc Mo lattice as a result of 50-keV Xe bombardment is studied via atomistic simulation with an interatomic potential developed using the force-matching ab initio based approach. The defect ...
The influence of the Lop Nor Nuclear Weapons Test Base to the population of the Republic of Kazakhstan

Zhumadilov, Kassym; Ivannikov, Alexander; Zharlyganova, Dinara; Stepanenko, Valeriy; Zhumadilov, Zhaxybay; Apsalikov, Kazbek; Toyoda, Shin; Endo, Satoru; Tanaka, Kenichi; Miyazawa, Chuzou; Okamoto, Tetsuji; Hoshi, Masaharu (Radiation Measurements, 2011-04-01)

Abstract The method of electron spin resonance (ESR) dosimetry was applied to human tooth enamel to obtain estimates of individual absorbed dose for residents of Makanchi, Urdzhar and Taskesken settlements located near the ...
ESR dosimetry study for the residents of Kazakhstan exposed to radioactive fallout on 24, August 1956

Zhumadilov, K.; Ivannikov, A.; Zharlyganova, D.; Zhumadilov, Zh.; Stepanenko, V.; Abralina, Sh.; Sadvokasova, L.; Zhumadilova, A.; Toyoda, S.; Endo, S.; Okamoto, T.; Hoshi, M. (Radiation Measurements, 2011-09-01)

Abstract The method of electron spin resonance (ESR) dosimetry has been applied to human tooth enamel in order to obtain individual absorbed doses from the population of settlements within the vicinity of the central axis ...
Sheath parameters for non-Debye plasmas: Simulations and arc damage

Morozov, I. V.; Norman, G. E.; Insepov, Z.; Norem, J. (Physical Review Special Topics-Accelerators and Beams, 2012)

This paper describes the surface environment of the dense plasma arcs that damage rf accelerators, tokamaks, and other high gradient structures. We simulate the dense, nonideal plasma sheath near a metallic surface using ...
Secondary electron yield of emissive materials for large-area micro-channel plate detectors: surface composition and film thickness dependencies

Jokela, S. J.; Veryovkin, I. V.; Zinovev, A. V.; Elam, J. W.; Mane, A. U.; Peng, Q.; Insepov, Z. (Physics Procedia, 2012)

The ongoing development of Atomic Layer Deposition (ALD) enables the use of relatively inexpensive and robust borosilicate micro-channel substrates for use as Micro-Channel Plates (MCPs). The surfaces of the channels in ...
Simulation of Ion Irradiation of Nuclear Materials and Comparison with Experiment

Insepov, Z.; Kuksin, A.; Rest, J.; Starikov, S.; Yanilkin, A.; Yacout, A. M.; Yun, D. (arXiv preprint arXiv:1203.0327, 2012)

Radiation defects generated in various nuclear materials such as Mo and CeO2, used as a surrogate material for UO2, formed by sub-MeV Xe and Kr ion implantations were studied via TRIM and MD codes. Calculated results were ...